4742272 has 16 divisors (see below), whose sum is σ = 9447750. Its totient is φ = 2371072.

The previous prime is 4742261. The next prime is 4742273. The reversal of 4742272 is 2722474.

It can be written as a sum of positive squares in only one way, i.e., 4562496 + 179776 = 2136^2 + 424^2 .

It is a tau number, because it is divible by the number of its divisors (16).

It is a self number, because there is not a number n which added to its sum of digits gives 4742272.

It is not an unprimeable number, because it can be changed into a prime (4742273) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18397 + ... + 18652.

Almost surely, 2^4742272 is an apocalyptic number.

It is an amenable number.

4742272 is a deficient number, since it is larger than the sum of its proper divisors (4705478).

4742272 is an equidigital number, since it uses as much as digits as its factorization.

4742272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37063 (or 37051 counting only the distinct ones).

The product of its digits is 6272, while the sum is 28.

The square root of 4742272 is about 2177.6758252779. The cubic root of 4742272 is about 168.0075582389.

The spelling of 4742272 in words is "four million, seven hundred forty-two thousand, two hundred seventy-two".